Case Study – Straw and Lime Vacuum System

The customer’s need

The customer requested the design and installation of a ventilation system capable of:

• being easily moved between production areas.
• vacuuming large amounts of fine lime dust mixed with fine straw fibers;
• effectively filtering the finest lime particles and vegetable fibers.
• being used both as a mobile solution via flexible hoses and as an integrated solution within a fixed piping network.

Livestock bedding production: the manufacturing process

Straw chopping

At the livestock bedding production site, several buildings are dedicated to processing large volumes of straw. In the first building, the straw is finely shredded and, during this phase, material residues accumulate around the equipment and in walkways, requiring regular vacuuming.

Fine lime dust and straw fiber extraction solution by Depureco

A customized vacuum system was implemented to effectively clean the production buildings, consisting of a three-phase Puma 15 P industrial vacuum and a tiltable cyclone pre-separator. In this configuration, the coarser straw residues are collected in the pre-separator, while the Puma 15 P efficiently handles the finest lime dust thanks to its dual-stage filtration system.

One system, dual configuration

The vacuum system can be configured in two modes, designed to flexibly adapt to different operational and production requirements: a mobile configuration and a fixed configuration.

 

Mobile solution: the PUMA 15 vacuum unit and the pre-separator can be connected via flexible hoses, ensuring high operational flexibility and allowing the operator to easily intervene across different work areas by vacuuming material directly where needed.

 

Fixed system: the system can also be configured as a fixed installation by connecting it to a piping network, allowing straw to be extracted simultaneously from two intake points and ensuring continuous and efficient operation within the building.